On Tue, Feb 08, 2011, Denys Fedoryshchenko wrote: > On Tuesday 08 February 2011 14:18:59 Adrian Chadd wrote: > > On Tue, Feb 08, 2011, Denys Fedoryshchenko wrote: > > > I try to install C-Band bandpass filter, no effect at all, so it is > > > in-band > > > > > > interference. Putting foil (yes i try almost everything) near LNB doesn't > > > affect interference level too. > > > > Can you get access to some kind of spectrum analyser kit to see what the > > kind of interference is? > > > > > > > > Adrian > Yes, on short (few minutes) sweeps it is clean. During long time run, with > 100 > Khz resolution, if we run few hours we can catch anomalies on the carrier. > Important note: this snapshot done on spectrum analyser in Europe, same > transponder, and results similar, so it looks like interference is on > transponder. Issue start to affect us at same time when people in Lebanon got > local interference issues. > > Here is snapshot of carrier spectrum with anomaly: > http//www.nuclearcat.com/PICTURES/interference.jpg
And does this interference similarly screw up being able to RX data from the transponder whilst in Europe? (eg, if you stick a modem on RX-only in Europe (ie, no uplink) and then just lock onto the signal and decode whatever happens, do you suffer the same problem?) Adrian -- - Xenion - http://www.xenion.com.au/ - VPS Hosting - Commercial Squid Support - - $24/pm+GST entry-level VPSes w/ capped bandwidth charges available in WA -